diff --git a/nix/os/devices/steveej-x13s-rmvbl/configuration.nix b/nix/os/devices/steveej-x13s-rmvbl/configuration.nix
index 6e902e6..eae1137 100644
--- a/nix/os/devices/steveej-x13s-rmvbl/configuration.nix
+++ b/nix/os/devices/steveej-x13s-rmvbl/configuration.nix
@@ -130,6 +130,17 @@
     loader.efi.canTouchEfiVariables = lib.mkForce false;
     loader.efi.efiSysMountPoint = "/boot";
     blacklistedKernelModules = [ "wwan" ];
+
+    initrd.kernelModules = [
+      "phy_qcom_qmp_usb"
+      "uas"
+
+      "msm"
+    ];
+
+    initrd.extraFiles = {
+      "firmware/qcom/sc8280xp/LENOVO/21BX/qcvss8280.mbn".source = nodeFlake.inputs.nixos-x13s.packages.${system}."x13s/extra-firmware";
+    };
   };
 
   # see https://linrunner.de/tlp/